764349944 has 8 divisors (see below), whose sum is σ = 1433156160. Its totient is φ = 382174968.

The previous prime is 764349913. The next prime is 764349973. The reversal of 764349944 is 449943467.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 764349892 and 764349901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47771864 + ... + 47771879.

It is an arithmetic number, because the mean of its divisors is an integer number (179144520).

Almost surely, 2^764349944 is an apocalyptic number.

It is an amenable number.

764349944 is a deficient number, since it is larger than the sum of its proper divisors (668806216).

764349944 is a wasteful number, since it uses less digits than its factorization.

764349944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95543749 (or 95543745 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 764349944 is about 27646.8794622467. The cubic root of 764349944 is about 914.3183010056.

The spelling of 764349944 in words is "seven hundred sixty-four million, three hundred forty-nine thousand, nine hundred forty-four".